Showing Collections: 1 - 10 of 32

Overview
In an effort to boost local economy and employment in the building trades, the Bethlehem Housing Authority directors embarked on large scale public housing projects. Monies provided by the federal government to the states and ultimately to the local communities were applied to several housing projects: Temporary War Housing Project 1943 to accommodate the large influx of workers for Bethlehem Steel's wartime effort which became known as the Pembroke Housing; the Robert Pfeifle Houses, 1961-1963...

Overview
This collection contains the technical and professional documents of consulting engineer Blair Birdsall. Most of the collection are documents pertaining to the multitude of bridges he worked on, including the Golden Gate, Chesapeake Bay, and Brooklyn Bridges, as a consulting engineer or as a design engineer. The collection spans from 1900 to 2002 covering his entire career and also early Steinman Boynton Gronquist & Birdsall and John A. Roebling Sons Engineering companies.

Overview
The manuscript, in Spanish, of a small book entitled “Curvas de Ferro Carril” (“Railroad Curves”) written by Mr. Haines between 1883 and 1899 while he was working in Mexico. The book was never published. Included is some correspondence from Mr. H. H. Filley about the tables to be used in the book.

Overview
This manuscript describes observations and comparisons of various waterways engineering structures in eastern United States and the Rhineland of Germany. Detailed notations are made about the structures on the Schuylkill Navigation system above Reading, PA and the Louisville – Portland Canal system.

Overview
A historical description of Lehigh University’s campus and its relationship to Bethlehem through surveying notes made by the civil engineering students from Sophomore Classes in the 1880s as recorded in this field notebook. The Surveying classes were under the instruction of Professor Charles L. Doolittle, father of poetess Hilda Doolittle. Some of the student notations were made by H. H. McClintic and C. D. Marshall, who would later form the company that built the Panama Canal gates.

Overview
The collection of photographs illustrate various types of civil engineering works including the Whipple through truss railroad bridge, Pennsylvania through truss bridge, suspension bridges, cantilever bridges, reinforced concrete arch bridges and buttress dams. Among the bridge photographs are included the Brooklyn Bridge, the Firth of Forth Bridge, the Tay Bridge and Niagara Falls “Honeymoon” Bridge collapses, the Pecos River railroad trestle bridge and the “Luten Design” reinforced concrete...